package com.itheima.mapper;

import com.itheima.entity.Dept;
import org.apache.ibatis.annotations.*;

import java.util.List;

@Mapper
public interface DeptMapper {

    //数据封装方式一：手动结果映射

    /*  @Results({
            @Result(column = "create_time", property = "createTime"),
            @Result(column = "update_time", property = "updateTime")
    })*/
/*
查询部门
 */
   @Select("select id, name, create_time createTime, update_time updateTime from dept")
    public List<Dept> list();
    /*
    删除部门
     */
    @Delete("delete from dept where id = #{id}")
    public void delete(Integer id);

    /*
    新增部门
     */
    @Insert("insert into dept(name, create_time, update_time) values(#{name}, #{createTime}, #{updateTime})")
    void insert(Dept dept);

    /*
    根据id查询部门
     */
    @Select("select id, name, create_time createTime, update_time updateTime from dept where id = #{id}")
    Dept getById(Integer id);
    /*
    更新部门
     */
 //@Update("update dept set name=#{name},update_time=#{updateTime} where id=#{id}")
    void update(Dept dept);
}
